—How long does it take you to go to the bus station?
—______.
| A．About twenty kilometers | B．I ride my bike |
| C．About half an hour by subway | D．I get there quickly |
All________they have done is good for us．
| A．what |
| B．which |
| C．why |
| D．that |
Look!The boy________name is Simon is playing soccer with his friends．
| A．who |
| B．whose |
| C．which |
| D．whom |
She is the girl________invention got the first prize in the school competition．
| A．who |
| B．that |
| C．which |
| D．whose |
That’the most beautiful place________I have ever________．
| A．where；visited |
| B．that；visit |
| C．where；visit |
| D．that；visited |
The place________he works is in the factory．
| A．that |
| B．which |
| C．in which |
| D．in where |